mobile/android/thirdparty/ch/boye/httpclientandroidlib/cookie/CookieIdentityComparator.java

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1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package ch.boye.httpclientandroidlib.cookie;
29
30 import java.io.Serializable;
31 import java.util.Comparator;
32
33 import ch.boye.httpclientandroidlib.annotation.Immutable;
34
35 /**
36 * This cookie comparator can be used to compare identity of cookies.
37 * <p>
38 * Cookies are considered identical if their names are equal and
39 * their domain attributes match ignoring case.
40 *
41 * @since 4.0
42 */
43 @Immutable
44 public class CookieIdentityComparator implements Serializable, Comparator<Cookie> {
45
46 private static final long serialVersionUID = 4466565437490631532L;
47
48 public int compare(final Cookie c1, final Cookie c2) {
49 int res = c1.getName().compareTo(c2.getName());
50 if (res == 0) {
51 // do not differentiate empty and null domains
52 String d1 = c1.getDomain();
53 if (d1 == null) {
54 d1 = "";
55 } else if (d1.indexOf('.') == -1) {
56 d1 = d1 + ".local";
57 }
58 String d2 = c2.getDomain();
59 if (d2 == null) {
60 d2 = "";
61 } else if (d2.indexOf('.') == -1) {
62 d2 = d2 + ".local";
63 }
64 res = d1.compareToIgnoreCase(d2);
65 }
66 if (res == 0) {
67 String p1 = c1.getPath();
68 if (p1 == null) {
69 p1 = "/";
70 }
71 String p2 = c2.getPath();
72 if (p2 == null) {
73 p2 = "/";
74 }
75 res = p1.compareTo(p2);
76 }
77 return res;
78 }
79
80 }

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